I just found a nice Note on integrating protocol-level authentication with user-level interface : http://www.w3.org/TR/NOTE-authentform
Does anyone know whether this was ever incorporated into any user agents? ==excerpt== [...] This proposal suggests extensions to HTML forms to overcome their present security problems by integrating them with HTTP (or other security sublayer) mechanisms. It calls for a new type of form; the AUTHFORM and new values for the TYPE attribute of the INPUT element and SELECT block. [...]
